From c5d4f8eedeb81659b685c1b2128767001e5a9f1f Mon Sep 17 00:00:00 2001
From: Vinnie Falco <vinnie.falco@gmail.com>
Date: Tue, 24 Apr 2018 15:14:15 -0700
Subject: [PATCH] Use boost::void_t

fix #905
---
 CHANGELOG.md                                    | 1 +
 include/boost/beast/core/detail/type_traits.hpp | 6 ++++--
 2 files changed, 5 insertions(+), 2 deletions(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 111b927b..65990d50 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,7 @@
 Version 169:
 
 * Use buffers_to_string in tests
+* Use boost::void_t
 
 --------------------------------------------------------------------------------
 
diff --git a/include/boost/beast/core/detail/type_traits.hpp b/include/boost/beast/core/detail/type_traits.hpp
index 3692b622..140d1750 100644
--- a/include/boost/beast/core/detail/type_traits.hpp
+++ b/include/boost/beast/core/detail/type_traits.hpp
@@ -59,8 +59,10 @@ max_alignof()
 }
 
 // (since C++17)
-template<class... Ts> struct make_void { using type = void; };
-template<class... Ts> using void_t = typename make_void<Ts...>::type;
+template<class... Ts>
+using make_void = boost::make_void<Ts...>;
+template<class... Ts>
+using void_t = boost::void_t<Ts...>;
 
 // (since C++11) missing from g++4.8
 template<std::size_t Len, class... Ts>